Home / 28,014.09-42,020.96-11,373.95

Finding the Fourth Proportional to 28,014.09, 42,020.96 and 11,373.95

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Solution

The fourth proportional to 28,014.09, 42,020.96 and 11,373.95 is: 17,060.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,014.09 : 42,020.96 = 11,373.95 : x
  2. Step 2: Convert to fraction form
    28,014.09/42,020.96 = 11,373.95/x
  3. Step 3: Cross multiply
    28,014.09x = 42,020.96 × 11,373.95
  4. Step 4: Simplify right side
    28,014.09x = 477,944,031.02
  5. Step 5: Solve for x
    x = 477,944,031.02/28,014.09
  6. Step 6: Final answer
    x = 17,060.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.